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Sand in the Wheels: A Dynamic Global-Game Approach

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  • Jakub Steiner

    (Northwestern University)

  • Laurent Mathevet

    (University of Texas at Austin)

Abstract

We study the impact of frictions on the prevalence of systemic crises. Agents privately learn about a fixed payoff parameter, and repeatedly adjust their investments while facing transaction costs in a dynamic global game. The model has a rich structure of externalities: payoffs may depend on the volume of aggregate investment, on the concentration of investment, or on its volatility. We examine how small frictions, including those similar to the Tobin tax, affect the equilibrium. We identify conditions under which frictions discourage harmful behavior without compromising investment volume. The analysis is driven by a robust invariance result: the volume of aggregate investment (measured in a pivotal contingency) is invariant to a large family of frictions.

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Bibliographic Info

Paper provided by Society for Economic Dynamics in its series 2012 Meeting Papers with number 123.

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Date of creation: 2012
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Handle: RePEc:red:sed012:123

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  1. Bernardo Guimaraes & Stephen Morris, 2005. "Risk and Wealth in a Model of Self-Fulfilling Currency Attacks," Levine's Bibliography 122247000000000790, UCLA Department of Economics.
  2. Colin Mayer & Wendy Carlin, 1999. "Finance, Investment and Growth," Economics Series Working Papers 1999-FE-09, University of Oxford, Department of Economics.
  3. Frankel, David M. & Morris, Stephen & Pauzner, Ady, 2003. "Equilibrium selection in global games with strategic complementarities," Journal of Economic Theory, Elsevier, vol. 108(1), pages 1-44, January.
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  5. Frankel, David M. & Burdzy, Krzysztof & Pauzner, Ady, 2001. "Fast Equilibrium Selection by Rational Players Living in a Changing World," Staff General Research Papers 11923, Iowa State University, Department of Economics.
  6. Vives, Xavier, 2006. "Strategic complementarity in multi-stage games," IESE Research Papers D/619, IESE Business School.
  7. Jakub Steiner, 2006. "Coordination in a Mobile World," CERGE-EI Working Papers wp295, The Center for Economic Research and Graduate Education - Economic Institute, Prague.
  8. Fudenberg, Drew & Levine, David K., 1988. "Open-loop and closed-loop equilibria in dynamic games with many players," Journal of Economic Theory, Elsevier, vol. 44(1), pages 1-18, February.
  9. Christophe Chamley, 2003. "Dynamic Speculative Attacks," American Economic Review, American Economic Association, vol. 93(3), pages 603-621, June.
  10. Iván Werning & George-Marios Angeletos, 2006. "Crises and Prices: Information Aggregation, Multiplicity, and Volatility," American Economic Review, American Economic Association, vol. 96(5), pages 1720-1736, December.
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  12. Carlsson, Hans & van Damme, Eric, 1993. "Global Games and Equilibrium Selection," Econometrica, Econometric Society, vol. 61(5), pages 989-1018, September.
  13. Steiner, Jakub, 2008. "Coordination of mobile labor," Journal of Economic Theory, Elsevier, vol. 139(1), pages 25-46, March.
  14. Dasgupta, Amil, 2007. "Coordination and delay in global games," Journal of Economic Theory, Elsevier, vol. 134(1), pages 195-225, May.
  15. Kováč, Eugen & Steiner, Jakub, 2013. "Reversibility in dynamic coordination problems," Games and Economic Behavior, Elsevier, vol. 77(1), pages 298-320.
  16. George-Marios Angeletos & Alessandro Pavan, 2007. "Dynamic Global Games of Regime Change: Learning, Multiplicity and Timing of Attacks," Discussion Papers 1497, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  17. Itay Goldstein & Emre Ozdenoren & Kathy Yuan, 2011. "Learning and Complementarities in Speculative Attacks," Review of Economic Studies, Oxford University Press, vol. 78(1), pages 263-292.
  18. George-Marios Angeletos & Christian Hellwig & Alessandro Pavan, 2007. "Dynamic Global Games of Regime Change: Learning, Multiplicity, and the Timing of Attacks," Econometrica, Econometric Society, vol. 75(3), pages 711-756, 05.
  19. Sylvain Chassang, 2010. "Fear of Miscoordination and the Robustness of Cooperation in Dynamic Global Games With Exit," Econometrica, Econometric Society, vol. 78(3), pages 973-1006, 05.
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Cited by:
  1. Eugen Kovac & Jakub Steiner, 2008. "Reversibility in Dynamic Coordination Problems," ESE Discussion Papers 183, Edinburgh School of Economics, University of Edinburgh.
  2. Hynek Lavicka & Tomas Lichard & Jan Novotny, 2014. "Sand in the Wheels or Wheels in the Sand? Tobin Taxes and Market Crashes," CERGE-EI Working Papers wp511, The Center for Economic Research and Graduate Education - Economic Institute, Prague.

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